<?php

/**
 * This is the model class for table "{{questions}}".
 *
 * The followings are the available columns in table '{{questions}}':
 * @property string $id
 * @property string $question
 * @property string $level
 * @property string $tags
 * @property string $answer
 * @property string $submitter
 * @property string $updatetime
 */
class Questions extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @param string $className active record class name.
	 * @return Questions the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return '{{questions}}';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('question,','required'),
            array('updatetime','default'),
			array('question', 'length', 'max'=>300),
			array('level', 'length', 'max'=>1),
			array('tags', 'length', 'max'=>100),
			array('answer', 'length', 'max'=>2000),
			array('submitter', 'length', 'max'=>10),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('id, question, level, tags, answer, submitter, updatetime', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			/*
            'question' => 'Question',
			'level' => 'Level',
			'tags' => 'Tags',
			'answer' => 'Answer',
			'submitter' => 'Submitter',
			'updatetime' => 'Updatetime',
            */
			'question' => '题目',
			'level' => 'Level',
			'tags' => '标签',
			'answer' => '解答',
			'submitter' => '更新者',
			'updatetime' => '更新时间',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id,true);
		$criteria->compare('question',$this->question,true);
		$criteria->compare('level',$this->level,true);
		$criteria->compare('tags',$this->tags,true);
		$criteria->compare('answer',$this->answer,true);
		$criteria->compare('submitter',$this->submitter,true);
		$criteria->compare('updatetime',$this->updatetime,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
}
